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Finding the Fourth Proportional to 63,654.93, 87,843.86 and 34,976.43

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Solution

The fourth proportional to 63,654.93, 87,843.86 and 34,976.43 is: 48,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654.93 : 87,843.86 = 34,976.43 : x
  2. Step 2: Convert to fraction form
    63,654.93/87,843.86 = 34,976.43/x
  3. Step 3: Cross multiply
    63,654.93x = 87,843.86 × 34,976.43
  4. Step 4: Simplify right side
    63,654.93x = 3,072,464,445.34
  5. Step 5: Solve for x
    x = 3,072,464,445.34/63,654.93
  6. Step 6: Final answer
    x = 48,267.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.